You asked why they’re basically attacking what they were supposed to defend.
They consider themselves heroes. They need to be heroes because otherwise they’re nothing. And heroes need villains to fight. If you’re not hailing them as one of the heroes, then obviously you’re one of the villains. It’s standard Sith absolutes.
(Edit: I see the word substitution that turned my reply to nonsense now. Ugh, sorry… :) )
A Trump steak, which is worse than both.